indexo.dev

ersc.io

.io crawl

First seen 2026-04-14 · Last seen 2026-05-15 · ok HTTP/1.1 200 170 ms crawled 2026-05-07

US · 188.114.97.3 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
East River Source Control
Description
Source control for humans and machines, built on Jujutsu for modern code collaboration at any scale.
Feeds

Open Graph

url
https://ersc.io
title
East River Source Control
site name
ERSC
description
Source control for humans and machines, built on Jujutsu for modern code collaboration at any scale.

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights

Third-party hosts loaded (1)

  • static.cloudflareinsights.com×1

Social

DNS records live

NS
  • emely.ns.cloudflare.com
  • uriah.ns.cloudflare.com
MX
  • 1 smtp.google.com
TXT
Show 6 TXT records
  • slack-domain-verification=QFJLHpHnCaZAGVJF7ZWMEf7U70IFUko5V20HQwfr
  • MS=ms91846969
  • anthropic-domain-verification-hync9y=SCydx8wHM909qrPnncGRhEF4b
  • apple-domain-verification=S400MMITMgKYHn4h
  • google-site-verification=MpNDLByDEBqQWrhUHqf8YVS3TrJdyyLE-H1-hZw_LTU
  • openai-domain-verification=dv-hgJbzQMdjoQCxPACjV5AutQJ

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-03-19 to 2026-06-17
Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ersc.io/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (2)